body{
    margin: 0;
    padding: 0;
    height: 100%;
}
header{
    margin-top: 20px;
    width: 100%;
    height: 100px;
    box-shadow: 0 5px 5px #f3f3f3;
    display: flex;
    justify-content:space-around;
}
.dog{
    display: inline-block;
    height: 100px;
    width: 300px;
    line-height: 100px;
}
.icon1{
    display: inline-block;
    width:130px;
    height: 70px;
    background-image: url('../img/icon.png');
    background-size: 200% 400%;
}
.icon2{
display: inline-block;
    width:50px;
    height: 50px;
    background-image: url('../img/icon.png');
    background-size: 800% 500%;
    background-position: 0 -70px;
}
.icon3{
    margin-top: 30px;
   display: inline-block;
    width:50px;
    height: 50px;
    background-image: url('../img/icon.png');
    background-size: 800% 500%;
    background-position: -50px -70px;
}
.fontsize24{
    font-size:24px;
}
form{
    width:40%;
    padding-right: 100px;
    border-right: 1px solid #999999;
}
.form-group{
    height: 80px;
}
.input-group,.form-control,button{
    height: 50px;
}
button{
    background-color: red;
    color: white;
    border: 1px solid red;
}
main{
     padding-top: 50px;
   padding-bottom: 50px;
    width: 80%;
    height: 750px;
    display: flex;
    justify-content: center;
    margin: 0 auto;
}
.method{
    padding-left: 100px;
    width:250px;
}
.input-group-addon{
    background-color: white;
}
footer{
    margin-top: 100px;
    width: 80%;
    height: 60px;
    margin: 0 auto;
    border-top: 1px solid #999999;
    text-align: center;
}
